<script setup>
import { Edit, Delete } from "@element-plus/icons-vue";

import { ref } from "vue";

//文章分类数据模型
const categorys = ref([
  {
    id: 3,
    categoryName: "美食",
    categoryAlias: "my",
    createTime: "2023-09-02 12:06:59",
    updateTime: "2023-09-02 12:06:59",
  },
  {
    id: 4,
    categoryName: "娱乐",
    categoryAlias: "yl",
    createTime: "2023-09-02 12:08:16",
    updateTime: "2023-09-02 12:08:16",
  },
  {
    id: 5,
    categoryName: "军事",
    categoryAlias: "js",
    createTime: "2023-09-02 12:08:33",
    updateTime: "2023-09-02 12:08:33",
  },
]);

//用户搜索时选中的分类id
const categoryId = ref("");

//用户搜索时选中的发布状态
const state = ref("");

//文章列表数据模型
const articles = ref([
  {
    id: 5,
    title: "陕西旅游攻略",
    content: "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
    coverImg:
      "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
    state: "草稿",
    categoryId: 2,
    createTime: "2023-09-03 11:55:30",
    updateTime: "2023-09-03 11:55:30",
  },
  {
    id: 5,
    title: "陕西旅游攻略",
    content: "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
    coverImg:
      "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
    state: "草稿",
    categoryId: 2,
    createTime: "2023-09-03 11:55:30",
    updateTime: "2023-09-03 11:55:30",
  },
  {
    id: 5,
    title: "陕西旅游攻略",
    content: "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
    coverImg:
      "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
    state: "草稿",
    categoryId: 2,
    createTime: "2023-09-03 11:55:30",
    updateTime: "2023-09-03 11:55:30",
  },
]);

//分页条数据模型
const pageNum = ref(1); //当前页
const total = ref(20); //总条数
const pageSize = ref(3); //每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
  pageSize.value = size;
  articleList();
};
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
  pageNum.value = num;
  articleList();
};

//回显文章分类
import {
  articleCategoryListService,
  articleListService,
  articleAddService,
  articleDeleteService,
} from "@/api/article.js";
const articleCategoryList = async () => {
  let result = await articleCategoryListService();

  categorys.value = result.data;
};

//获取文章列表数据
const articleList = async () => {
  let params = {
    pageNum: pageNum.value,
    pageSize: pageSize.value,
    categoryId: categoryId.value ? categoryId.value : null,
    state: state.value ? state.value : null,
  };
  let result = await articleListService(params);

  //渲染视图
  total.value = result.data.total;
  articles.value = result.data.items;

  //处理数据,给数据模型扩展一个属性categoryName,分类名称
  for (let i = 0; i < articles.value.length; i++) {
    let article = articles.value[i];
    for (let j = 0; j < categorys.value.length; j++) {
      if (article.categoryId == categorys.value[j].id) {
        article.categoryName = categorys.value[j].categoryName;
      }
    }
  }
};

articleCategoryList();
articleList();

import { QuillEditor } from "@vueup/vue-quill";
import "@vueup/vue-quill/dist/vue-quill.snow.css";
import { Plus } from "@element-plus/icons-vue";
//控制抽屉是否显示
const visibleDrawer = ref(false);
//添加表单数据模型
const articleModel = ref({
  title: "",
  categoryId: "",
  coverImg: "",
  content: "",
  state: "",
});

//导入token
import { useTokenStore } from "@/stores/token.js";
const tokenStore = useTokenStore();

//上传成功的回调函数
const uploadSuccess = (result) => {
  articleModel.value.coverImg = result.data;
  console.log(result.data);
};

//添加文章
import { ElMessage } from "element-plus";
const addArticle = async (clickState) => {
  //把发布状态赋值给数据模型
  articleModel.value.state = clickState;

  //调用接口
  let result = await articleAddService(articleModel.value);

  ElMessage.success(result.msg ? result.msg : "添加成功");

  //让抽屉消失
  visibleDrawer.value = false;

  //刷新当前列表
  articleList();
};

//删除文章
import { ElMessageBox } from "element-plus";
const deleteArticle = (row) => {
  //提示用户  确认框

  ElMessageBox.confirm("你确认要删除该文章信息吗?", "温馨提示", {
    confirmButtonText: "确认",
    cancelButtonText: "取消",
    type: "warning",
  })
    .then(async () => {
      //调用接口
      let result = await articleDeleteService(row.id);
      ElMessage({
        type: "success",
        message: "删除成功",
      });
      //刷新列表
      articleCategoryList();
    })
    .catch(() => {
      ElMessage({
        type: "info",
        message: "用户取消了删除",
      });
    });
};
</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章管理</span>
        <div class="extra">
          <el-button type="primary" @click="visibleDrawer = true"
            >添加文章</el-button
          >
        </div>
      </div>
    </template>
    <!-- 搜索表单 -->
    <el-form inline class="search-form-inline">
      <el-form-item label="文章分类：">
        <el-select placeholder="请选择" v-model="categoryId">
          <el-option
            v-for="c in categorys"
            :key="c.id"
            :label="c.categoryName"
            :value="c.id"
          >
          </el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="发布状态：">
        <el-select placeholder="请选择" v-model="state">
          <el-option label="已发布" value="已发布"></el-option>
          <el-option label="草稿" value="草稿"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="articleList">搜索</el-button>
        <el-button
          @click="
            categoryId = '';
            state = '';
          "
          >重置</el-button
        >
      </el-form-item>
    </el-form>
    <!-- 文章列表 -->
    <el-table :data="articles" style="width: 100%">
      <el-table-column
        label="文章标题"
        width="400"
        prop="title"
      ></el-table-column>
      <el-table-column label="分类" prop="categoryName"></el-table-column>
      <el-table-column label="发表时间" prop="createTime"> </el-table-column>
      <el-table-column label="状态" prop="state"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary"></el-button>
          <el-button
            :icon="Delete"
            circle
            plain
            type="danger"
            @click="deleteArticle(row)"
          ></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    <!-- 分页条 -->
    <el-pagination
      v-model:current-page="pageNum"
      v-model:page-size="pageSize"
      :page-sizes="[3, 5, 10, 15]"
      layout="jumper, total, sizes, prev, pager, next"
      background
      :total="total"
      @size-change="onSizeChange"
      @current-change="onCurrentChange"
      style="margin-top: 20px; justify-content: flex-end"
    />

    <!-- 抽屉 -->
    <el-drawer
      v-model="visibleDrawer"
      title="添加文章"
      direction="rtl"
      size="50%"
    >
      <!-- 添加文章表单 -->
      <el-form :model="articleModel" label-width="100px">
        <el-form-item label="文章标题">
          <el-input
            v-model="articleModel.title"
            placeholder="请输入标题"
          ></el-input>
        </el-form-item>
        <el-form-item label="文章分类">
          <el-select placeholder="请选择" v-model="articleModel.categoryId">
            <el-option
              v-for="c in categorys"
              :key="c.id"
              :label="c.categoryName"
              :value="c.id"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章封面">
          <!-- 
                        auto-upload:设置是否自动上传
                        action:设置服务器接口路径
                        name:设置上传的文件字段名
                        headers:设置上传的请求头
                        on-success:设置上传成功的回调函数
                     -->

          <el-upload
            class="avatar-uploader"
            :auto-upload="true"
            :show-file-list="false"
            action="/api/upload"
            name="file"
            :headers="{ Authorization: tokenStore.token }"
            :on-success="uploadSuccess"
          >
            <img
              v-if="articleModel.coverImg"
              :src="articleModel.coverImg"
              class="avatar"
            />
            <el-icon v-else class="avatar-uploader-icon">
              <Plus />
            </el-icon>
          </el-upload>
        </el-form-item>
        <el-form-item label="文章内容">
          <div class="editor">
            <quill-editor
              theme="snow"
              v-model:content="articleModel.content"
              contentType="html"
            >
            </quill-editor>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="addArticle('已发布')"
            >发布</el-button
          >
          <el-button type="info" @click="addArticle('草稿')">草稿</el-button>
        </el-form-item>
      </el-form>
    </el-drawer>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}

.search-form-inline .el-select {
  --el-select-width: 220px;
}

/* 抽屉样式 */
.avatar-uploader {
  :deep() {
    .avatar {
      width: 178px;
      height: 178px;
      display: block;
    }

    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }

    .el-upload:hover {
      border-color: var(--el-color-primary);
    }

    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 178px;
      height: 178px;
      text-align: center;
    }
  }
}

.editor {
  width: 100%;

  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>
